140569820

素因数分解:

$2^2\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{3881}}^1$

素因数の和:5701

約数の個数: 24

約数和(自身を含む): 295435728

約数和(自身を除く): 154865908

約数列:

[1, 2, 4, 5, 10, 20, 1811, 3622, 3881, 7244, 7762, 9055, 15524, 18110, 19405, 36220, 38810, 77620, 7028491, 14056982, 28113964, 35142455, 70284910, 140569820]

約数ペア:

[(1, 140569820), (2, 70284910), (4, 35142455), (5, 28113964), (10, 14056982), (20, 7028491), (1811, 77620), (3622, 38810), (3881, 36220), (7244, 19405), (7762, 18110), (9055, 15524)]